title: Fetal heart rate and blood flow velocity variability in the presence of increased nuchal translucency: a preliminary study.
mesh_terms: D001783:Blood Flow Velocity / Q000502:physiology*; D016022:Case-Control Studies; D005260:Female; D005865:Gestational Age; D006340:Heart Rate, Fetal / Q000502:physiology*; D006801:Humans; D007621:Karyotyping; D009333:Neck / Q000000981:diagnostic imaging / Q000196:embryology*; D011247:Pregnancy; D011446:Prospective Studies; D018608:Ultrasonography, Doppler; D016216:Ultrasonography, Prenatal; D014469:Umbilical Arteries / Q000502:physiology